using Application.Domain.Entities;
using Infrastructure.Application;
using Infrastructure.Data;
using Infrastructure.Domain;
using Infrastructure.Extensions;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;

namespace IoT.Shared.Services
{
    public class DataService
    {
        private readonly IConfiguration _cfg;
        private readonly IServiceProvider _services;
        private readonly IRepository<Product> _productRepo;
        private readonly IRepository<Scene> _sceneRepo;
        private readonly IRepository<SceneCommand> _sceneCommandRepo;
        private readonly IRepository<IoTTimer> _iotTimerRepo;
        private readonly IRepository<IoTTigger> _iotTiggerRepo;

        public DataService(IConfiguration cfg,
            IServiceProvider services,
            IRepository<Node> nodeRepo,
            IRepository<Device> deviceRepo,
            IRepository<Data> dataRepo,
            IRepository<Api> apiRepo,
            IRepository<Command> commandRepo,
            IRepository<Category> categoryRepo,
            IRepository<Product> productRepo,
            IRepository<Scene> sceneRepo,
            IRepository<SceneCommand> sceneCommandRepo,
            IRepository<IoTTimer> iotTimerRepo,
            IRepository<IoTTigger> iotTiggerRepo)
        {
            this._cfg = cfg;
            this._services = services;
            this._productRepo = productRepo;
            this._sceneRepo = sceneRepo;
            this._sceneCommandRepo = sceneCommandRepo;
            this._iotTimerRepo = iotTimerRepo;
            this._iotTiggerRepo = iotTiggerRepo;
        }

        public void UpdateList<T>(string message, Expression<Func<T, bool>> predicate) where T : BaseEntity
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetService<IRepository<T>>();
            var list = message.FromJson<List<Guid>>();
            var entities = repo.Table().Where(predicate).Where(o => !list.Contains(o.Id)).ToList();
            foreach (var entity in entities)
            {
                repo.Delete(entity);
            }
            repo.SaveChanges();
        }

        #region private

        public void Update<T>(string message) where T : BaseEntity
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetService<IRepository<T>>();
            var model = message.FromJson<T>();
            var entity = repo.Table().FirstOrDefault(o => o.Id == model.Id);
            if (entity == null)
            {
                entity = Activator.CreateInstance<T>();
                repo.Add(entity);
            }
            entity.From(model);
            repo.SaveChanges();
        }

        public void Edit<T, TEditModel>(TEditModel model)
            where T : BaseEntity
            where TEditModel : EditModel
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetService<IRepository<T>>();
            var entity = repo.Table().FirstOrDefault(o => o.Id == model.Id);
            if (entity == null)
            {
                entity = Activator.CreateInstance<T>();
                repo.Add(entity);
            }
            entity.From(model);
            repo.SaveChanges();
        }

        public void Delete<T, TEditModel>(TEditModel model)
            where T : BaseEntity
            where TEditModel : EditModel
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetService<IRepository<T>>();
            var entity = repo.Table().FirstOrDefault(o => o.Id == model.Id);
            if (entity != null)
            {
                repo.Delete(entity);
                repo.SaveChanges();
            }
        }

        #endregion private
    }
}